DEC 4000 600 series, Руководство пользователя, Страница: 31 / 242

Starting the System
Starting the System
Before You
Start the
System You start a system by bringing it from a powered-down state
to the point at which the operating system login banner is
displayed on the console terminal.
Before starting the system, you should be familiar with system
components, lights, and controls. Use the diagrams on previous
pages to familiarize yourself with these features.
When to Start
the System
Your system may already be started:
• If the operating system login banner or prompt is displayed
on your console terminal, the system is already started. Skip
this section and proceed to the next section in this chapter,
Using the Operator Control Panel.
• If the console prompt ( >>> ) is displayed on your console
terminal, the system is in console mode. To finish starting
the system, set environment variables (described in
Chapter 4) and boot operating system software (described in
Boot Operating System Software, in this chapter).
Overview of the
Task
Start the system by performing the following steps:
• Power up external devices
• Power up the system
• Set environment variables
• Boot operating system software
Once the system is booted, you can begin normal operation.
Power Up
External
Devices Begin starting your system by powering up external devices,
which may include the following:
• Uninterruptible power supply (UPS) (optional)
• Console terminal
Getting Started 1–11